1 # vsprintf-posix.m4 serial 1
2 dnl Copyright (C) 2007 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_VSPRINTF_POSIX],
9 AC_REQUIRE([gl_EOVERFLOW])
10 AC_REQUIRE([gl_PRINTF_SIZES_C99])
11 AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
12 AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
13 AC_REQUIRE([gl_PRINTF_POSITIONS])
14 gl_cv_func_vsprintf_posix=no
15 case "$gl_cv_func_printf_sizes_c99" in
17 case "$gl_cv_func_printf_directive_a" in
19 case "$gl_cv_func_printf_directive_n" in
21 case "$gl_cv_func_printf_positions" in
23 # vsprintf exists and is already POSIX compliant.
24 gl_cv_func_vsprintf_posix=yes
33 if test $gl_cv_func_vsprintf_posix = no; then
34 if ! expr "$gl_cv_func_printf_directive_a" : ".*yes" > /dev/null; then
35 AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], 1,
36 [Define if the vasnprintf implementation needs special code for
37 the 'a' and 'A' directives.])
44 AC_DEFUN([gl_REPLACE_VSPRINTF],
46 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
52 AC_DEFUN([gl_PREREQ_VSPRINTF], [:])